8xDVD CardBus (badly labelled: the box says CardBus card, the manual mentions two versions CardBus and PC Card, also available for MAC a FireWire version, but the image on the box seems to show an USB cable) only tested by me is the version labelled "CardBus" on the box, Prod. Number ARCCB2/011500499 FCC ID ID:MX6MINICD, 8xDVD